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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2018.0957 rubygems and jruby security update 3 April 2018 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: rubygems jruby Publisher: Debian Operating System: Debian GNU/Linux 7 UNIX variants (UNIX, Linux, OSX) Impact/Access: Modify Arbitrary Files -- Remote with User Interaction Cross-site Scripting -- Remote with User Interaction Denial of Service -- Remote with User Interaction Provide Misleading Information -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2018-1000078 CVE-2018-1000077 CVE-2018-1000076 CVE-2018-1000075 Original Bulletin: https://lists.debian.org/debian-lts-announce/2018/04/msg00000.html https://lists.debian.org/debian-lts-announce/2018/04/msg00001.html Comment: This bulletin contains two (2) Debian security advisories. This advisory references vulnerabilities in products which run on platforms other than Debian. It is recommended that administrators running rubygems or jruby check for an updated version of the software for their operating system. - --------------------------BEGIN INCLUDED TEXT-------------------- Package : rubygems Version : 1.8.24-1+deb7u2 CVE ID : CVE-2018-1000075 CVE-2018-1000076 CVE-2018-1000077 CVE-2018-1000078 Multiple vulnerabilities were found in rubygems, a package management framework for Ruby. CVE-2018-1000075 A negative size vulnerability in ruby gem package tar header that could cause an infinite loop. CVE-2018-1000076 Ruby gems package improperly verifies cryptographic signatures. A mis-signed gem could be installed if the tarball contains multiple gem signatures. CVE-2018-1000077 An improper input validation vulnerability in ruby gems specification homepage attribute could allow malicious gem to set an invalid homepage URL. CVE-2018-1000078 Cross Site Scripting (XSS) vulnerability in gem server display of homepage attribute For Debian 7 "Wheezy", these problems have been fixed in version 1.8.24-1+deb7u2. We recommend that you upgrade your rubygems packages. Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS ============================================================================= Package : jruby Version : 1.5.6-5+deb7u1 CVE ID : CVE-2018-1000075 CVE-2018-1000076 CVE-2018-1000077 CVE-2018-1000078 Multiple vulnerabilities were found in the rubygems package management framework, embedded in JRuby, a pure-Java implementation of the Ruby programming language. CVE-2018-1000075 A negative size vulnerability in ruby gem package tar header that could cause an infinite loop. CVE-2018-1000076 Ruby gems package improperly verifies cryptographic signatures. A mis-signed gem could be installed if the tarball contains multiple gem signatures. CVE-2018-1000077 An improper input validation vulnerability in ruby gems specification homepage attribute could allow malicious gem to set an invalid homepage URL. CVE-2018-1000078 Cross Site Scripting (XSS) vulnerability in gem server display of homepage attribute For Debian 7 "Wheezy", these problems have been fixed in version 1.5.6-5+deb7u1. We recommend that you upgrade your jruby packages. Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBWsLjAYx+lLeg9Ub1AQiB+Q//f19ulKSVSNvHDR7fXlgcjy2OVAq83mDz yUnDQvo2Snk/Wz+S2VbRV+NLDo1Uqoynr27ZePelkjqN3iDzpLK/evfoOgPzDdu0 dEZI//POFCL2miPlVU1nSG1JW24ofEXnPQgzA+dQURJ0ni4zT3e0RFQpsdzBiUAi DHLWGSWUXjV8CSFnEVRajIp5EwPjhprUNRkM1JNNIEhDhr7ezlT+3DQ3q91YGm56 75W22EBTSs4t6L3Y298Zfci2eNVKS23N+85AhAU7+vYdx5SvG9rADKOK44i9lHBg tIG9p47UKQtAvEipGs1byekOTdtAnB7L/1THGq6AfHX9gLeKRAOG8LOrVQiM4dcQ kQWV6GW5Q/nYTgFzGuBSPtIdW+b2fIp65J3arQl9Twkkjr4IBQO1cu6fyQT29/hh lNhw5PRxCysz90tHBv7Si2uPNCZQ2O+WBbzWx3Y5k946/LiWp2yrsPtudz91XHwB O5BZNwLUT1mk83DaQZ/HstKfXonoRFH73gRCZEsXMZTDEHM7BIXBsWWmK/SXJmII 2w+uaX5jIWsxHOlvt3z4d69vq1ltkItFEhSKIlZO1s/u7DEuxRdHh3/086Q/Rktc vCPhSDN0eB7CpY96sx7dt0Gb9UYJVqbX39Hz8RShsOm1l67V3bk7hti+IE3ENsES 1fKe5Gk/PrU= =ngn4 -----END PGP SIGNATURE-----